--Ｍ・ＨＥＲＯ ファウンティン
--Masked HERO Fountain
--scripted by pyrQ
local s,id=GetID()
function s.initial_effect(c)
	--Special Summon 1 "HERO" monster from your hand in Defense Position
	local e1=Effect.CreateEffect(c)
	e1:SetDescription(aux.Stringid(id,0))
	e1:SetCategory(CATEGORY_SPECIAL_SUMMON)
	e1:SetType(EFFECT_TYPE_IGNITION)
	e1:SetRange(LOCATION_HAND)
	e1:SetCountLimit(1,{id,0})
	e1:SetCost(Cost.SelfReveal)
	e1:SetTarget(s.sptg)
	e1:SetOperation(s.spop)
	c:RegisterEffect(e1)
	--Set 1 "Mask Change" from your Deck or GY
	local e2=Effect.CreateEffect(c)
	e2:SetDescription(aux.Stringid(id,1))
	e2:SetType(EFFECT_TYPE_SINGLE+EFFECT_TYPE_TRIGGER_O)
	e2:SetProperty(EFFECT_FLAG_DELAY)
	e2:SetCode(EVENT_TO_GRAVE)
	e2:SetCountLimit(1,{id,1})
	e2:SetCondition(s.setcon)
	e2:SetTarget(s.settg)
	e2:SetOperation(s.setop)
	c:RegisterEffect(e2)
end
s.listed_series={SET_HERO}
s.listed_names={21143940} --"Mask Change"
function s.spfilter(c,e,tp)
	return c:IsSetCard(SET_HERO) and c:IsCanBeSpecialSummoned(e,0,tp,false,false,POS_FACEUP_DEFENSE)
end
function s.sptg(e,tp,eg,ep,ev,re,r,rp,chk)
	if chk==0 then return Duel.GetLocationCount(tp,LOCATION_MZONE)>0
		and Duel.IsExistingMatchingCard(s.spfilter,tp,LOCATION_HAND,0,1,nil,e,tp) end
	Duel.SetOperationInfo(0,CATEGORY_SPECIAL_SUMMON,nil,1,tp,LOCATION_HAND)
end
function s.spop(e,tp,eg,ep,ev,re,r,rp)
	if Duel.GetLocationCount(tp,LOCATION_MZONE)<=0 then return end
	Duel.Hint(HINT_SELECTMSG,tp,HINTMSG_SPSUMMON)
	local g=Duel.SelectMatchingCard(tp,s.spfilter,tp,LOCATION_HAND,0,1,1,nil,e,tp)
	if #g>0 then
		Duel.SpecialSummon(g,0,tp,tp,false,false,POS_FACEUP_DEFENSE)
	end
end
function s.setcon(e,tp,eg,ep,ev,re,r,rp)
	local c=e:GetHandler()
	return (c:IsReason(REASON_COST) and re and re:IsActivated()) or c:IsReason(REASON_EFFECT)
end
function s.setfilter(c)
	return c:IsCode(21143940) and c:IsSSetable()
end
function s.settg(e,tp,eg,ep,ev,re,r,rp,chk)
	if chk==0 then return Duel.IsExistingMatchingCard(s.setfilter,tp,LOCATION_DECK|LOCATION_GRAVE,0,1,nil) end
end
function s.setop(e,tp,eg,ep,ev,re,r,rp)
	Duel.Hint(HINT_SELECTMSG,tp,HINTMSG_SET)
	local g=Duel.SelectMatchingCard(tp,aux.NecroValleyFilter(s.setfilter),tp,LOCATION_DECK|LOCATION_GRAVE,0,1,1,nil)
	if #g>0 then
		Duel.SSet(tp,g)
	end
end